FIELD: metal forming.
SUBSTANCE: invention relates to metal forming and can be used for straightening of guide rails that have been subjected to bending deformation during manufacturing or transportation for heat cutting machines. Guide rail is installed on horizontal plate on supports and vibratory straightening is performed at resonant frequencies using vibration exciter. Arrangement of supports is selected based on the condition of obtaining reverse deformation of rail. Prior to vibration correction by means of jacks bending of middle part or end sections of guide rail is performed in direction opposite to initial bend by equal and opposite by sign value.
EFFECT: higher quality of rail straightening due to elimination of fractures.
3 cl, 4 dwg
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